3270403

Appears in sequences

• Odd composites with increasing proportion of nontrivial non-witnesses of compositeness by the Miller-Rabin primality test.at n=23A090659
• Odd composite numbers k for which k = A140607((k-1)/2).at n=13A140667
• Record values in A265388.at n=42A265395
• Odd composite numbers k for which the number of witnesses for strong pseudoprimality of k equals phi(k)/4, where phi is the Euler totient function (A000010).at n=26A329759
• Triangular numbers that are emirpimes.at n=33A375385